| # isupper_l.m4 | |
| # serial 1 | |
| dnl Copyright (C) 2009-2026 Free Software Foundation, Inc. | |
| dnl This file is free software; the Free Software Foundation | |
| dnl gives unlimited permission to copy and/or distribute it, | |
| dnl with or without modifications, as long as this notice is preserved. | |
| dnl This file is offered as-is, without any warranty. | |
| AC_DEFUN([gl_FUNC_ISUPPER_L], | |
| [ | |
| AC_REQUIRE([gl_CTYPE_H_DEFAULTS]) | |
| dnl Persuade glibc <ctype.h> to declare isupper_l(). | |
| AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) | |
| AC_CHECK_FUNCS_ONCE([isupper_l]) | |
| if test $ac_cv_func_isupper_l = no; then | |
| HAVE_ISUPPER_L=0 | |
| fi | |
| dnl Prerequisites of lib/isupper_l.c. | |
| AC_REQUIRE([gt_FUNC_USELOCALE]) | |
| ]) |